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Recognised as Colour

#3F4EAE

  • #3F4EAE
  • Blue
  • Dark
  • Nearest: Dark slateblue

#3F4EAE is a blue with RGB values 63, 78, 174 and HSL 232°, 47%, 46%. It is a dark colour, so white text on it reaches 7.2:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#3F4EAE#3F4EAE
HEX#3F4EAE
RGBrgb(63, 78, 174)
RGB (0–1)0.2471, 0.3059, 0.6824
RGB percentages24.7%, 30.6%, 68.2%
HSLhsl(231.9, 46.8%, 46.5%)
HSV / HSBhsv(231.9, 63.8%, 68.2%)
CMYK63.8%, 55.2%, 0%, 31.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,148,910
CSS custom property--colour: #3F4EAE;

Brightness & contrast

Relative luminance0.09562WCAG 2.x, 0 is black and 1 is white
Perceived brightness90.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.21:1
Contrast with white7.21:1WCAG normal text: AAA
Contrast with black2.91:1WCAG normal text: Fail
Greyscale equivalent#525252
Inverted#C0B151

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#035CB1no red cones; affects about 1% of men; ΔE 14.4 from the original
Deuteranopia#0052ACno green cones; the most common form, about 1% of men; ΔE 9.7 from the original
Tritanopia#006576no blue cones; rare, and affects men and women equally; ΔE 56.8 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text7.21:1WCAG large text: AAA
Contrast with black, large text2.91:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 12.8Slate blue · ΔE 14.5Royal blue · ΔE 16.2Rebecca purple · ΔE 19.3Medium purple · ΔE 21.7Midnight blue · ΔE 22.5
Nearest named CSS colourDark slateblue (#483D8B)ΔE 12.81, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#AE9F3F
Analogous#3F86AE, #683FAE
Triadic#AE3F4E, #4EAE3F
Split complementary#AE673F, #86AE3F
Tetradic#AE3F85, #AE9F3F, #3FAE67

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#CCD1ED
Lighter +30%#A7AEDF
Lighter +20%#818CD2
Lighter +10%#5C6AC4
Darker −10%#313D89
Darker −20%#242C63
Darker −30%#161C3E
Darker −40%#090B18
More saturated +25%#2138CC
Less saturated −25%#5D6490

Channel breakdown

R63
G78
B174
Red63 (24.7%)
Green78 (30.6%)
Blue174 (68.2%)
Hue231.89°
Saturation (HSL)46.84%
Lightness46.47%
Dominant channelBlue
Hex per channelR 3F · G 4E · B AE

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Every value on this page was computed from “3f4eae” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.